It is clear from this review that nutraceutical advertisements published in nursing journals often provide ambiguous scientific information. This suggests that nutraceutical these [what you wrote is not wrong though] advertisements are a poor source of scientific information for nurses. The current capability inability ["inability .. is worrying" or "capability ... is in doubt/in question"] of the nutraceutical industry to provide this information is worrying. Therefore there is an urgent need for governments, [add comma] especially in developing countries, [add comma] to develop programs to ensure that independent scientific information are is continuously available and easily accessible to nurses.